Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:52:18 2013 Optimize a model with 5566 rows, 5336 columns and 21206 nonzeros Presolve removed 23 rows and 0 columns Presolve time: 0.02s Presolved: 5543 rows, 5336 columns, 21183 nonzeros Variable types: 5313 continuous, 23 integer (23 binary) Root relaxation: objective 2.387462e+04, 895 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 23874.6247 0 16 - 23874.6247 - - 0s H 0 0 25372.000000 23874.6247 5.90% - 0s 0 0 25110.5000 0 1 25372.0000 25110.5000 1.03% - 0s H 0 0 25165.000000 25110.5000 0.22% - 0s H 0 0 25120.000000 25110.5000 0.04% - 0s 0 2 25114.0000 0 1 25120.0000 25114.0000 0.02% - 0s Cutting planes: Implied bound: 15 Explored 3 nodes (1125 simplex iterations) in 0.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.512000000000e+04, best bound 2.511808000000e+04, gap 0.0076%